Greenlee E-Z Bore Self-Feed Bit 3-5/8 149H2-3-5/8 Double-blade design for fast; smooth cuts. Dual cutting edges can be re-sharpened for longer bit life Large; open design won't clog with wood chips Self-feed tip pulls bit through wood Outer spur teeth reduce splintering and blowouts Replaceable tip Application : For boring fast; clean holes through various wood materials in electrical; plumbing; and remodeling applications Bit Diameter : 3-5/8 IN. (92.1MM) Electric Drill Required : Recommended Includes : Hex wrench and spare set-screw. Overall Length : 6-1/4 IN. (158.8MM) Package : 1/Pk. Package Type : Re-usable storage tube Shank Diameter : 7/16 IN. Hex Shank Type : Quick Change Sub Brand : E-Z Bore Type : Self-Feed Wood Boring Bit Weight : 2.1 lbs. (0.95 kg)" Greenlee E-Z Bore 3-5/8" Self-Feed Bit 149H2-3-5/8